Buggy code:
public Hashtable getProperties ( ) { } public Hashtable getUserProperties ( ) { } public void setDefaultTarget ( String defaultTarget ) { } public String getDefaultTarget ( ) { } public void setDefault ( String defaultTarget ) { } public void setName ( String name ) { } public String getName ( ) { } public void addFilter ( String token , String value ) { } public Hashtable getFilters ( ) { } public void setBasedir ( String baseD ) throws BuildException { } public void setBaseDir ( File baseDir ) { } public File getBaseDir ( ) { } public static String getJavaVersion ( ) { } public void setJavaVersionProperty ( ) { } public void addTaskDefinition ( String taskName , Class taskClass ) { } public Hashtable getTaskDefinitions ( ) { } public void addDataTypeDefinition ( String typeName , Class typeClass ) { } public Hashtable getDataTypeDefinitions ( ) { } public void addTarget ( Target target ) { } public void addTarget ( String targetName , Target target ) throws BuildException { } public void addOrReplaceTarget ( Target target ) { } public void addOrReplaceTarget ( String targetName , Target target ) { } public Hashtable getTargets ( ) { } public Task createTask ( String taskType ) throws BuildException { } public Object createDataType ( String typeName ) throws BuildException { } public void executeTargets ( Vector targetNames ) throws BuildException { } public void executeTarget ( String targetName ) throws BuildException { } public File resolveFile ( String fileName , File rootDir ) { fileName = fileName . replace ( '//' , File . separatorChar ) . replace ( '\\' , File . separatorChar ) ; if ( fileName . startsWith ( File . separator ) ) { try { return new File ( new File ( fileName ) . getCanonicalPath ( ) ) ; } catch ( IOException e ) { log ( ( ( ( "IOException<seq2seq4repair_space>getting<seq2seq4repair_space>canonical<seq2seq4repair_space>path<seq2seq4repair_space>for<seq2seq4repair_space>" + fileName ) + ":<seq2seq4repair_space>" ) + ( e . getMessage ( ) ) ) , Project . MSG_ERR ) ; return new File ( fileName ) ; } } if ( ( ( ( fileName . length ( ) ) >= 2 ) && ( Character . isLetter ( fileName . charAt ( 0 ) ) ) ) && ( ( fileName . charAt ( 1 ) ) == ':' ) ) { char [ ] ca = fileName . replace ( '//' , '\\' ) . toCharArray ( ) ; char c ; StringBuffer sb = new StringBuffer ( ) ; for ( int i = 0 ; i < ( ca . length ) ; i ++ ) { if ( ( ( ca [ i ] ) != '\\' ) || ( ( ( ( ca [ i ] ) == '\\' ) && ( i > 0 ) ) && ( ( ca [ ( i - 1 ) ] ) != '\\' ) ) ) { if ( ( ( ( i == 0 ) && ( Character . isLetter ( ca [ i ] ) ) ) && ( i < ( ( ca . length ) - 1 ) ) ) && ( ( ca [ ( i + 1 ) ] ) == ':' ) ) { c = Character . toUpperCase ( ca [ i ] ) ; } else { c = ca [ i ] ; } sb . append ( c ) ; } } return new File ( sb . toString ( ) ) ; } File file = new File ( rootDir . getAbsolutePath ( ) ) ; StringTokenizer tok = new StringTokenizer ( fileName , File . separator , false ) ; while ( tok . hasMoreTokens ( ) ) { String part = tok . nextToken ( ) ; if ( part . equals ( ".." ) ) { String parentFile = file . getParent ( ) ; if ( parentFile == null ) { <START_BUG> throw new BuildException ( ( ( ( "The<seq2seq4repair_space>file<seq2seq4repair_space>or<seq2seq4repair_space>path<seq2seq4repair_space>you<seq2seq4repair_space>specified<seq2seq4repair_space>(" + fileName ) + ")<seq2seq4repair_space>is<seq2seq4repair_space>invalid<seq2seq4repair_space>releative<seq2seq4repair_space>to<seq2seq4repair_space>" ) + ( rootDir . getAbsolutePath ( ) ) ) ) ; <END_BUG> } file = new File ( parentFile ) ; } else if ( part . equals ( "." ) ) { } else { file = new File ( file , part ) ; } } try { return new File ( file . getCanonicalPath ( ) ) ; } catch ( IOException e ) { log ( ( ( ( "IOException<seq2seq4repair_space>getting<seq2seq4repair_space>canonical<seq2seq4repair_space>path<seq2seq4repair_space>for<seq2seq4repair_space>" + file ) + ":<seq2seq4repair_space>" ) + ( e . getMessage ( ) ) ) , Project . MSG_ERR ) ; return new File ( file . getAbsolutePath ( ) ) ; } } public File resolveFile ( String fileName ) { } public static String translatePath ( String to_process ) { } public void copyFile ( String sourceFile , String destFile ) throws IOException { } public void copyFile ( String sourceFile , String destFile , boolean filtering ) throws IOException { } public void copyFile ( String sourceFile , String destFile , boolean filtering , boolean overwrite ) throws IOException { } public void copyFile ( String sourceFile , String destFile , boolean filtering , boolean overwrite , boolean preserveLastModified ) throws IOException { } public void copyFile ( File sourceFile , File destFile ) throws IOException { } public void copyFile ( File sourceFile , File destFile , boolean filtering ) throws IOException { } public void copyFile ( File sourceFile , File destFile , boolean filtering , boolean overwrite ) throws IOException { } public void copyFile ( File sourceFile , File destFile , boolean filtering , boolean overwrite , boolean preserveLastModified ) throws IOException { } public void setFileLastModified ( File file , long time ) throws BuildException { } private String replace ( String s , Hashtable tokens ) { } public static boolean toBoolean ( String s ) { }

Fix:
throw new BuildException ( ( ( ( "The<seq2seq4repair_space>file<seq2seq4repair_space>or<seq2seq4repair_space>path<seq2seq4repair_space>you<seq2seq4repair_space>specified<seq2seq4repair_space>(" + fileName ) + ")<seq2seq4repair_space>is<seq2seq4repair_space>invalid<seq2seq4repair_space>relative<seq2seq4repair_space>to<seq2seq4repair_space>" ) + ( rootDir . getAbsolutePath ( ) ) ) ) ;